I think the description in the article was actually good. In particular, the part where they say: > This is the metaphor used to describe the unpredictability

I think the description in the article was actually good. In particular, the part where they say: > This is the metaphor used to describe the unpredictability of chaotic systems:tiny uncertainties in the initial conditions of a system grow and grow until they completely destroy the accuracy of any forecast This doesn't seem too far off from you say.